How do I send bitmap data using intent to another screen and load it into a Image View in kotlin using .putExtra()? I have searched online for a tutorial on how to send a bitmap data over to another activity using the putExtra() method in kotlin, but nothing seems to pop up. I do not know how to code in java so all the tutorials and stack overflow threads that talk about converting to a byte array do not help much. Can someone please help me with maybe a solution? What I did so far (My project is in no regards to this post) is I saved a image using my camera as a bitmap using the code: val thumbnail :...

In a Inventory - type Android App, I cannot display the room database The app is in development and it can be found here: https://github.com/toaderDragos/GlycemicApp So, why can't I see the database? In the App inspection, the fields are populating but not showing. Later, each row will have a button/ edit text field, and upon insertion will calculate live some numbers. I am sure the mistake is rookie like but I couldn't find it for many hours. I have no errors shown, but no text...

how should I initialize my interface in a kotlin class to pass the data to the main activity? this is my interface: interface ApiResponseListener { fun didFetch(response: Response) fun didError(msg: String) } I want to pass the data into this Interface like this: val apiResponseListener: ApiResponseListener // here the interface should be initialize and i dont know how apiResponseListener.didError("test") apiResponseListener.didFetch(response)

How do I get the URL for each of my dependencies defined within my build.gradle file I am trying to have by build.gradle script automatically write a list of download links to the dependencies that my project requires. I already have the code that will take the URL and download it, and make it available to my program at runtime. I am trying to minimize the size of my .jar file, and instead, let the program download as any dependencies as possible at runtime so that the filesize of my .jar is as small as possible. I expect that I will have to do something like this...

Why ExecutorService is much faster than Coroutines in this example? I created a benchmark comparison using kotlinx-benchmark (uses jmh) to compare coroutines and a threadpool when making a blocking call. My rational behind such benchmark is Coroutines will block the underlying thread when making a blocking call. A Network call is generally blocking () In an average service, I need to make a million of...

Labelling material-calendarview with Events I'm trying to use prolificinteractive's material-calendarview to achieve something similar to the image I've attached, which has events added to the calendar. I'm thinking I could do this by creating a custom Span class as shown here in another post. However, my issue is that...

Retrofit adding extra slash when I use upload data I'm developing an Android app using Retrofit to connect to a Spring Boot server. When I update data, there are extra slashes and double quotes on the server like this.. I read a similar article and I'm guessing I encode twice, but I don't know where I'm doing it. Please help me. This is the service class of Android. @PUT("/posts/close/update/{id}") fun updateClose(@Path("id") id: Long, @Body close: String):...

button does not respond to taps/clicks I'm trying perform an action on button click with this code. val button = findViewById(R.id.button) button.setOnClickListener { // perform action } But it has no effect, because the button is inside this linear layout. how can I fix this?

change background color surface light/dark jetpack compose I'm trying to start with jetpack compose and it's getting complicated to be able to change the background automatically according to the theme chosen by the user (light dark). I am editing the colors from theme.kt private val DarkColorScheme = darkColorScheme( primary = Purple80, secondary = PurpleGrey80, tertiary = Pink80, surface = Color(0xFF0BB000), background = Color(0xFF0BB000), onBackground = Color(0xFF0BB000)) The problem is that when I run the app, the background color is still...

How can I handle EGL problem that causes in Android Webview? (EGL_BAD_PARAMETER, EGL_BAD_ATTRIBUTE) I got this error when I load a page with WebView. tid 14645: eglDestroySyncKHR(2470): error 0x300c (EGL_BAD_PARAMETER) [ERROR:android_image_reader_utils.cc(19)] Failed to create android native fence sync object. tid 14645: eglCreateSyncKHR(2361): error 0x3004 (EGL_BAD_ATTRIBUTE) eglDestroySyncKHR: null sync object! Especially, I think when it has video content, this error is shown, and If the video is not visible(For example, scroll down to hide the video), Then, this error isn't shown....

coroutines behave differently on Android/JVM (for windows) I'm creating a second version of an Android/Windows remote control app using kotlin for client and server. I'm familiar with the basics of coroutines on android but to my surprise/unfortunateness, coroutines have behaved differently on the two platforms. I tested the EXACT same code and on android it just works but on the computer nothing happens Main.kt fun main(): Unit = runBlocking { CoroutineScope(Job()).launch { println("connecting server") Servidor.ligar() }...

How to change textview font size in recyclerView in Kotlin? How to change textView font size in RecyclerView (from shared preferences)? I tried to save size in SaveData class: class SaveData(context: Context) { private val sharedPreferences: SharedPreferences = context.getSharedPreferences("file", Context.MODE_PRIVATE) fun setFontSize(size: Float?) { val editor = sharedPreferences.edit() editor.putFloat("FontSize", size!!) editor.apply() } fun loadFontSize(): Float { val size =...

Not getting the right response when making RAW API call using retrofit kotlin I am making RAW API call using retrofit and I am able to go into the response.isSuccessful block but the response body when printed prints

GraphQLName annotation I am creating a simple login app using spring boot with Kotlin + GraphQL. @GraphQLName("") is not working for me. my graphql is schema { query: Query mutation: Mutation } type Mutation{ requestOTP(credential: String!,authType: String!): String } and in my kotlin @Controller class ResetPassword( @Autowired val userRepository: UserRepository ): GraphQLMutationResolver { @GraphQLName("requestOTP") fun reset(credential: String, authType: String): String{ //codes... } } But It...

Error occur when i creating spring batch multiple JobBuild I'm using kotlin, spring boot 3.0.1 and batch . I create two of job/step configuration. but when i build the project, i've saw the below errors. I'm asking a question because it's hard to change the previous batch example to the latest version. Has anyone solved this problem? Strangely enough, if you take one job out on config, it can running it. errors Error starting ApplicationContext. To display the condition evaluation report re-run your application with 'debug' enabled....

error : "Not enough information to infer type variable T", I get this error while parsing Json error : "Not enough information to infer type variable T", I get this error while parsing Json Here is my code: package com.example.chatopenai import android.os.Bundle import android.util.Log import android.widget.EditText import android.widget.ImageButton import android.widget.TextView import androidx.appcompat.app.AppCompatActivity import com.google.gson.Gson import com.google.gson.reflect.TypeToken import okhttp3.OkHttpClient import okhttp3.ResponseBody import...

How to create a dynamic views in jetpack compose I am trying to create a some dynamic views when the user clicks add button it starts a new set of text fields and fill the required details and add all the set to final list of array i facing a problem of how to deal with the mutable state of each text field i.e value and onValueChange the text fields are sharing same viewModel mutable state. How to deal with the dynamic views so that only the required text field...

Formatter for Kotlin on IntelliJ I am developing an application using Kotlin and using IntelliJ IDEA as editor. But not sure how to set a pre commit hook to format the code automatically. Could you please guide me on this with some open source formatter and how to use it. Thanks in advance!

Android STEP_COUNTER sensor is null (Samsung Z Flip) I am currently developing a Application to track Steps. In order to track steps i am using the following Sensor of the phone: Sensor.TYPE_STEP_COUNTER This worked fine for all devices I tested it with. But, it started to fail after updating "ONE UI" and "ANDROID 13" for the phone(SM-F711N) that worked well. Phone has FEATURE_SENSOR_STEP_COUNTER but default sensor is null What is Problem? Does anyone know the solution to this problem? Here's my logging code and result...

Webrtc Android and iOS Black screen issue I am using the google stun server in both android and iOS. For data communication using the firebase. I am able to connect android to android video call and iOS to iOS video call. But while connect the android to iOS and iOS to android it show the remote video as black screen iOS code let configuration = RTCConfiguration() configuration.iceServers = [ RTCIceServer(urlStrings: [ "stun:stun1.l.google.com:19302", "stun:stun2.l.google.com:19302"...

How to set React Native background location for accurate result? Can only be done in Native? I'm trying to create a running app with React Native. The background location permission needs to be in "Allow all the time" to get accurate location when the screen is off (in addition of turning power saver and battery optimization off). How can running app like "Strava" and "Runtastic" able to track background location accurately only with "While only using the app" permission? I have been researching and testing for 5 days now with no luck. Even using paid background module (react native)...

how to do translation in android from json file or Excel file for multi language support application I will receive translation file in Json format which is in the format of key as Label and value as Translated word. I'm exhausted by assigning the translated word to the corresponding label. For a new language every time I am getting 3000+ translated words. Each time I am assigning it to the labels manually. Kindly suggest me an easy way or any other methods for assign translated words to the corresponding label. Thanks in advance Usually I assign the...

kotlin: java.lang.NullPointerException: Attempt to invoke virtual method 'void androidx.recyclerview.widget.RecyclerView.setAdapter I tried to make recyclerview on fragment with data from firestore. I've made viewHolder and Adapter. And all seems fine but I keep facing below issue: java.lang.NullPointerException: Attempt to invoke virtual method 'void androidx.recyclerview.widget.RecyclerView.setAdapter(androidx.recyclerview.widget.RecyclerView$Adapter)' on a null object reference I know many questions are already asked but I can't solve this problem with their solution. Please help me which part cause problem in my...

Navigation Hamburger breaks after Fragment to Fragment navigation Here's my setup: I have created a very simple app that uses the MainActivity to install a navigation controller (Hamburger) to allow the user to surf between fragments. It installs fine in the background and then I load the first fragment which is the LoginFragment. Question #1: I need to HIDE the hamburger until AFTER login Now even though the nav controller is visible on the LoginFragment, it works as expected as...

In kotlin, when @Column(nullable = false) is marked, the queried entity must always be written "!!" In kotlin, When writing entity classes, the default values of attributes are null, The annotation of the attribute is @Column(nullable = false), which indicates that it cannot be empty. For example, the following username: @Entity class Users { @Column(nullable = false) var username: String? = null } When querying, findById returns the following result: val user = Users(username:"MyName") When calling user. username!! I have to bring !!, because the annotation is @Column(nullable =...

Create a real-time line chart by using kotlin I'm trying to create a chart that displays sensor data from a cell phone in real time. I wrote a code for this, but the data was recorded, but the graph was recorded only on the same x-axis. The code is shown below. How should I solve this? If I need to create a separate thread, where should I add it? package com.example.ex_linear_acc_graph import android.content.Context import android.graphics.Color import android.hardware.Sensor import android.hardware.SensorEvent import...

How to enable Kotlins "unit conversions on arbitrary expressions" I'm getting a Kotlin Error: The feature "unit conversions on arbitrary expressions" is experimental and should be enabled explicitly. You can also change the original type of this expression to (...) -> Unit My code is the following: val foo: () -> String = { "Test" } fun bar(doSometing: () -> Unit) { /* */ } val baz = bar(foo) // here foo throws the error It's pretty obvious what i'm doing wrong: bar expects () -> Unit, but i provide () -> String. However, the error message implies i...

App crashing on downloading the Image from it While Clicking on download button app is crashing and showing java.lang.NullPointerException at com.$$$$$$.fieldforce.adapter.InstallDocAdapter.saveToGallery Here is the logcat Exception java.lang.NullPointerException: at android.graphics.Bitmap.compress (Bitmap.java:1434) at com.$$$$$$.fieldforce.adapter.InstallDocAdapter.saveToGallery (InstallDocAdapter.java:123) at com.$$$$$$.fieldforce.adapter.InstallDocAdapter.access$100 (InstallDocAdapter.java:40) at...

really dumb question about no-code or low-code application builder (android), wanna make a scale model calculator [closed] problem is simple solution apparently isn't note: please ignore my grammar and punctuation LONG TEXT INCOMING does any no code, low code, or spreadsheet to android application converter or tool or whatever exist that doesn't have a monthly fee, per user fee and/or a huge starting cost? also that doesn't "host" the app on their own website ok let me be more specific, i used to program in java, and had some c++ knowledge and html (very basic to be honest, didn't even finish my studies because i...

Search in Google Maps by everything not just street name I implemented autoCompleteSupportFragment to let user type and search in map but the result only appear to be street name i want to search by: Co-ordinates Geo Tag IDs Area Popular places/buildings how to implement this? autocompleteFragment = childFragmentManager.findFragmentById(R.id.autocomplete_fragment) as AutocompleteSupportFragment // Specify the types of place data to return. autocompleteFragment.setPlaceFields(listOf(Place.Field.NAME,...